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Added option for turning off the automated timestamps

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@184 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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1 parent 87297f1 commit c5d6aa2b18a0c52ffdad6f1ebdb828e326128612 @dhh dhh committed Dec 16, 2004
@@ -1,6 +1,7 @@
module ActiveRecord
# Active Records will automatically record creation and/or update timestamps of database objects
- # if fields of the names created_at/created_on or updated_at/updated_on are present.
+ # if fields of the names created_at/created_on or updated_at/updated_on are present. This module is
+ # automatically included, so you don't need to do that manually.
module Timestamp
def self.append_features(base) # :nodoc:
super
@@ -9,14 +10,22 @@ def self.append_features(base) # :nodoc:
end
def timestamp_before_create
- write_attribute("created_at", Time.now) if respond_to?(:created_at) && created_at.nil?
- write_attribute("created_on", Time.now) if respond_to?(:created_on) && created_on.nil?
+ write_attribute("created_at", Time.now) if record_timestamps && respond_to?(:created_at) && created_at.nil?
+ write_attribute("created_on", Time.now) if record_timestamps && respond_to?(:created_on) && created_on.nil?
timestamp_before_update
end
def timestamp_before_update
- write_attribute("updated_at", Time.now) if respond_to?(:updated_at)
- write_attribute("updated_on", Time.now) if respond_to?(:updated_on)
+ write_attribute("updated_at", Time.now) if record_timestamps && respond_to?(:updated_at)
+ write_attribute("updated_on", Time.now) if record_timestamps && respond_to?(:updated_on)
end
end
+
+ class Base
+ # Records the creation date and possibly time in created_on (date only) or created_at (date and time) and the update date and possibly
+ # time in updated_on and updated_at. This only happens if the object responds to either of these messages, which they will do automatically
+ # if the table has columns of either of these names. This feature is turned on by default.
+ @@record_timestamps = true
+ cattr_accessor :record_timestamps
+ end
end
@@ -6,16 +6,12 @@ class Mixin < ActiveRecord::Base
class ListMixin < ActiveRecord::Base
acts_as_list :column => "pos", :scope => :parent
- def self.table_name
- "mixins"
- end
+ def self.table_name() "mixins" end
end
class ListWithStringScopeMixin < ActiveRecord::Base
acts_as_list :column => "pos", :scope => 'parent_id = #{parent_id}'
- def self.table_name
- "mixins"
- end
+ def self.table_name() "mixins" end
end
@@ -125,4 +125,14 @@ def test_create
assert_not_nil @obj.updated_at
assert_not_nil @obj.created_at
end
+
+ def test_create_turned_off
+ Mixin.record_timestamps = false
+
+ assert_nil @first.updated_at
+ @first.save
+ assert_nil @first.updated_at
+
+ Mixin.record_timestamps = true
+ end
end

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